package com.study.day20190714.trycatch;

public class Test {
	public static void main(String[] args) {
		System.out.println(findResult());
		System.out.println(findIntResult());

		byte s1=127;
		s1=(byte) (s1+1);
		System.out.println(s1);
		short s2=1;
		s2+=1;
		System.out.println(s2);

		Integer a=128;
		Integer b=128;
		System.out.println(a.equals(b));
		String str="127";
		Integer aaaa=Integer.parseInt(str);
		System.out.println(aaaa);
		System.out.println(parseInt(str,10));
	}
	@SuppressWarnings("finally")
	private static boolean findResult(){
		try{
			return true;
		}catch (Exception e){
			return true;
		}
		finally {
			return false;
		}
	}

	@SuppressWarnings("finally")
	private static Integer findIntResult(){
		Integer a=5;
		try{
			return a=1/0;
		}catch (Exception e){
			return a=7;
		}
		finally {
			return a=8;
		}
	}

	public static int parseInt(String s, int radix)
			throws NumberFormatException
	{
		/*
		 * WARNING: This method may be invoked early during VM initialization
		 * before IntegerCache is initialized. Care must be taken to not use
		 * the valueOf method.
		 */

		if (s == null) {
			throw new NumberFormatException("null");
		}

		if (radix < Character.MIN_RADIX) {
			throw new NumberFormatException("radix " + radix +
					" less than Character.MIN_RADIX");
		}

		if (radix > Character.MAX_RADIX) {
			throw new NumberFormatException("radix " + radix +
					" greater than Character.MAX_RADIX");
		}

		int result = 0;
		boolean negative = false;
		int i = 0, len = s.length();
		int limit = -Integer.MAX_VALUE;
		int multmin;
		int digit;

		if (len > 0) {
			char firstChar = s.charAt(0);
			if (firstChar < '0') { // Possible leading "+" or "-"
				if (firstChar == '-') {
					negative = true;
					limit = Integer.MIN_VALUE;
				} else if (firstChar != '+')
					//throw ;

				if (len == 1) // Cannot have lone "+" or "-"
					//throw NumberFormatException.forInputString(s);
				i++;
			}
			multmin = limit / radix;
			while (i < len) {
				// Accumulating negatively avoids surprises near MAX_VALUE
				digit = Character.digit(s.charAt(i++),radix);
				if (digit < 0) {
					//throw NumberFormatException.forInputString(s);
				}
				if (result < multmin) {
					//throw NumberFormatException.forInputString(s);
				}
				result *= radix;
				if (result < limit + digit) {
					//throw NumberFormatException.forInputString(s);
				}
				result -= digit;
			}
		} else {
			//throw NumberFormatException.forInputString(s);
		}
		return negative ? result : -result;
	}
}
